Proton Calendar

about

description

** Proton Calendar is an easy-to-use planner and a time-management tool that keeps your schedule private ** Additional Highlights ✓ Schedule planner syncs automatically across browsers and devices ✓ Create recurring events on a daily, weekly, monthly, yearly, or custom basis ✓ Use as an appointment scheduler in local or foreign time zones ✓ Manage up to 20 calendars (paid feature) ✓ View your agenda from the home screen with the Proton Calendar widget ✓ Add multiple reminders for any event ✓ Use as a daily planner or monthly planner by switching between different views ✓ Choose to view your event schedule in dark mode or light mode PRIVATE CALENDAR ✓ No ads, no trackers, and no data sharing with any third parties ✓ We can’t spy on your activities or misuse your data ✓ End-to-end encryption — fully encrypted data exchange between Proton Calendar users ✓ Zero-access encryption — event names, descriptions, and participants are encrypted on our servers ✓ Based in Switzerland 🇨🇭 — All your data is protected by strict Swiss privacy laws USERS FIRST Building an internet that puts people ahead of profits ✓ Funded by users, not advertisers — privacy is our business model ✓ Built by scientists and engineers who met at CERN and MIT and founded Proton Mail ✓ Used by high-profile journalists and organizations globally ✓ GDPR and HIPAA compliant ✓ Based in Switzerland and protected by some of the world’s strongest privacy laws What others say about Proton Calendar “Proton Mail has now made it stupid-easy to encrypt your schedule. Information about what you plan to do, where, and with whom, can be just as sensitive as the messages you send and receive.” Gizmodo

publisher

78ce6faa72264387284e647ba6938995735ec8c7d5c5a65737e55130f026307d

first seen

2026-10-05T12:42:31.990845+00:00

last event

2026-10-24 22:59 UTC

install

zapstore.dev or any Zapstore-compatible client

source & build

repository

https://github.com/protonmail/android-calendar

arch flags

android-arm64-v8a android-armeabi-v7a android-x86 android-x86_64

manifest

missing

releases (kind 30063)

1 release indexed; latest 2.34.1.

assets & verification

Every app, release and asset event is schnorr-verified (NIP-01 id + signature) before it enters the catalog, and assets are content-addressed by sha256. We subscribe read-only to the catalog relay — never write to it.

2.34.1 — ProtonCalendar-Android.apk

sha256

d4d05d44d03e45875bfa18ab64a917152b5ef22657d53c346d44e32165d62c52

size

122.9 MB

archs

android-arm64-v8a, android-armeabi-v7a, android-x86, android-x86_64

version code

360

apk cert sha256

dcc9439ec1a6c6a8d0203f3423ee42bcc8b970628e53cb73a0393f398dd5b853

download

ProtonCalendar-Android.apk

Showing the newest 1 asset descriptor; the full set is in /api/apps/78ce6faa…